dmenu.c (19477B)
1 /* See LICENSE file for copyright and license details. */ 2 #include <ctype.h> 3 #include <locale.h> 4 #include <stdio.h> 5 #include <stdlib.h> 6 #include <string.h> 7 #include <strings.h> 8 #include <time.h> 9 #include <unistd.h> 10 11 #include <X11/Xlib.h> 12 #include <X11/Xatom.h> 13 #include <X11/Xutil.h> 14 #ifdef XINERAMA 15 #include <X11/extensions/Xinerama.h> 16 #endif 17 #include <X11/Xft/Xft.h> 18 19 #include "drw.h" 20 #include "util.h" 21 22 /* macros */ 23 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \ 24 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org))) 25 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad) 26 27 /* enums */ 28 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */ 29 30 struct item { 31 char *text; 32 struct item *left, *right; 33 int out; 34 }; 35 36 static char text[BUFSIZ] = ""; 37 static char *embed; 38 static int bh, mw, mh; 39 static int inputw = 0, promptw; 40 static int lrpad; /* sum of left and right padding */ 41 static size_t cursor; 42 static struct item *items = NULL; 43 static struct item *matches, *matchend; 44 static struct item *prev, *curr, *next, *sel; 45 static int mon = -1, screen; 46 47 static Atom clip, utf8; 48 static Display *dpy; 49 static Window root, parentwin, win; 50 static XIC xic; 51 52 static Drw *drw; 53 static Clr *scheme[SchemeLast]; 54 55 #include "config.h" 56 57 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp; 58 static char *(*fstrstr)(const char *, const char *) = strstr; 59 60 static unsigned int 61 textw_clamp(const char *str, unsigned int n) 62 { 63 unsigned int w = drw_fontset_getwidth_clamp(drw, str, n) + lrpad; 64 return MIN(w, n); 65 } 66 67 static void 68 appenditem(struct item *item, struct item **list, struct item **last) 69 { 70 if (*last) 71 (*last)->right = item; 72 else 73 *list = item; 74 75 item->left = *last; 76 item->right = NULL; 77 *last = item; 78 } 79 80 static void 81 calcoffsets(void) 82 { 83 int i, n; 84 85 if (lines > 0) 86 n = lines * bh; 87 else 88 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">")); 89 /* calculate which items will begin the next page and previous page */ 90 for (i = 0, next = curr; next; next = next->right) 91 if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n) 92 break; 93 for (i = 0, prev = curr; prev && prev->left; prev = prev->left) 94 if ((i += (lines > 0) ? bh : textw_clamp(prev->left->text, n)) > n) 95 break; 96 } 97 98 static void 99 cleanup(void) 100 { 101 size_t i; 102 103 XUngrabKeyboard(dpy, CurrentTime); 104 for (i = 0; i < SchemeLast; i++) 105 free(scheme[i]); 106 for (i = 0; items && items[i].text; ++i) 107 free(items[i].text); 108 free(items); 109 drw_free(drw); 110 XSync(dpy, False); 111 XCloseDisplay(dpy); 112 } 113 114 static char * 115 cistrstr(const char *h, const char *n) 116 { 117 size_t i; 118 119 if (!n[0]) 120 return (char *)h; 121 122 for (; *h; ++h) { 123 for (i = 0; n[i] && tolower((unsigned char)n[i]) == 124 tolower((unsigned char)h[i]); ++i) 125 ; 126 if (n[i] == '\0') 127 return (char *)h; 128 } 129 return NULL; 130 } 131 132 static int 133 drawitem(struct item *item, int x, int y, int w) 134 { 135 if (item == sel) 136 drw_setscheme(drw, scheme[SchemeSel]); 137 else if (item->out) 138 drw_setscheme(drw, scheme[SchemeOut]); 139 else 140 drw_setscheme(drw, scheme[SchemeNorm]); 141 142 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0); 143 } 144 145 static void 146 drawmenu(void) 147 { 148 unsigned int curpos; 149 struct item *item; 150 int x = 0, y = 0, w; 151 152 drw_setscheme(drw, scheme[SchemeNorm]); 153 drw_rect(drw, 0, 0, mw, mh, 1, 1); 154 155 if (prompt && *prompt) { 156 drw_setscheme(drw, scheme[SchemeSel]); 157 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0); 158 } 159 /* draw input field */ 160 w = (lines > 0 || !matches) ? mw - x : inputw; 161 drw_setscheme(drw, scheme[SchemeNorm]); 162 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0); 163 164 curpos = TEXTW(text) - TEXTW(&text[cursor]); 165 if ((curpos += lrpad / 2 - 1) < w) { 166 drw_setscheme(drw, scheme[SchemeNorm]); 167 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0); 168 } 169 170 if (lines > 0) { 171 /* draw vertical list */ 172 for (item = curr; item != next; item = item->right) 173 drawitem(item, x, y += bh, mw - x); 174 } else if (matches) { 175 /* draw horizontal list */ 176 x += inputw; 177 w = TEXTW("<"); 178 if (curr->left) { 179 drw_setscheme(drw, scheme[SchemeNorm]); 180 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0); 181 } 182 x += w; 183 for (item = curr; item != next; item = item->right) 184 x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">"))); 185 if (next) { 186 w = TEXTW(">"); 187 drw_setscheme(drw, scheme[SchemeNorm]); 188 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0); 189 } 190 } 191 drw_map(drw, win, 0, 0, mw, mh); 192 } 193 194 static void 195 grabfocus(void) 196 { 197 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 }; 198 Window focuswin; 199 int i, revertwin; 200 201 for (i = 0; i < 100; ++i) { 202 XGetInputFocus(dpy, &focuswin, &revertwin); 203 if (focuswin == win) 204 return; 205 XSetInputFocus(dpy, win, RevertToParent, CurrentTime); 206 nanosleep(&ts, NULL); 207 } 208 die("cannot grab focus"); 209 } 210 211 static void 212 grabkeyboard(void) 213 { 214 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 }; 215 int i; 216 217 if (embed) 218 return; 219 /* try to grab keyboard, we may have to wait for another process to ungrab */ 220 for (i = 0; i < 1000; i++) { 221 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync, 222 GrabModeAsync, CurrentTime) == GrabSuccess) 223 return; 224 nanosleep(&ts, NULL); 225 } 226 die("cannot grab keyboard"); 227 } 228 229 static void 230 match(void) 231 { 232 static char **tokv = NULL; 233 static int tokn = 0; 234 235 char buf[sizeof text], *s; 236 int i, tokc = 0; 237 size_t len, textsize; 238 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend; 239 240 strcpy(buf, text); 241 /* separate input text into tokens to be matched individually */ 242 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " ")) 243 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv))) 244 die("cannot realloc %zu bytes:", tokn * sizeof *tokv); 245 len = tokc ? strlen(tokv[0]) : 0; 246 247 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL; 248 textsize = strlen(text) + 1; 249 for (item = items; item && item->text; item++) { 250 for (i = 0; i < tokc; i++) 251 if (!fstrstr(item->text, tokv[i])) 252 break; 253 if (i != tokc) /* not all tokens match */ 254 continue; 255 /* exact matches go first, then prefixes, then substrings */ 256 if (!tokc || !fstrncmp(text, item->text, textsize)) 257 appenditem(item, &matches, &matchend); 258 else if (!fstrncmp(tokv[0], item->text, len)) 259 appenditem(item, &lprefix, &prefixend); 260 else 261 appenditem(item, &lsubstr, &substrend); 262 } 263 if (lprefix) { 264 if (matches) { 265 matchend->right = lprefix; 266 lprefix->left = matchend; 267 } else 268 matches = lprefix; 269 matchend = prefixend; 270 } 271 if (lsubstr) { 272 if (matches) { 273 matchend->right = lsubstr; 274 lsubstr->left = matchend; 275 } else 276 matches = lsubstr; 277 matchend = substrend; 278 } 279 curr = sel = matches; 280 calcoffsets(); 281 } 282 283 static void 284 insert(const char *str, ssize_t n) 285 { 286 if (strlen(text) + n > sizeof text - 1) 287 return; 288 /* move existing text out of the way, insert new text, and update cursor */ 289 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0)); 290 if (n > 0) 291 memcpy(&text[cursor], str, n); 292 cursor += n; 293 match(); 294 } 295 296 static size_t 297 nextrune(int inc) 298 { 299 ssize_t n; 300 301 /* return location of next utf8 rune in the given direction (+1 or -1) */ 302 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc) 303 ; 304 return n; 305 } 306 307 static void 308 movewordedge(int dir) 309 { 310 if (dir < 0) { /* move cursor to the start of the word*/ 311 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 312 cursor = nextrune(-1); 313 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 314 cursor = nextrune(-1); 315 } else { /* move cursor to the end of the word */ 316 while (text[cursor] && strchr(worddelimiters, text[cursor])) 317 cursor = nextrune(+1); 318 while (text[cursor] && !strchr(worddelimiters, text[cursor])) 319 cursor = nextrune(+1); 320 } 321 } 322 323 static void 324 keypress(XKeyEvent *ev) 325 { 326 char buf[64]; 327 int len; 328 KeySym ksym = NoSymbol; 329 Status status; 330 331 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status); 332 switch (status) { 333 default: /* XLookupNone, XBufferOverflow */ 334 return; 335 case XLookupChars: /* composed string from input method */ 336 goto insert; 337 case XLookupKeySym: 338 case XLookupBoth: /* a KeySym and a string are returned: use keysym */ 339 break; 340 } 341 342 if (ev->state & ControlMask) { 343 switch(ksym) { 344 case XK_a: ksym = XK_Home; break; 345 case XK_b: ksym = XK_Left; break; 346 case XK_c: ksym = XK_Escape; break; 347 case XK_d: ksym = XK_Delete; break; 348 case XK_e: ksym = XK_End; break; 349 case XK_f: ksym = XK_Right; break; 350 case XK_g: ksym = XK_Escape; break; 351 case XK_h: ksym = XK_BackSpace; break; 352 case XK_i: ksym = XK_Tab; break; 353 case XK_j: /* fallthrough */ 354 case XK_J: /* fallthrough */ 355 case XK_m: /* fallthrough */ 356 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break; 357 case XK_n: ksym = XK_Down; break; 358 case XK_p: ksym = XK_Up; break; 359 360 case XK_k: /* delete right */ 361 text[cursor] = '\0'; 362 match(); 363 break; 364 case XK_u: /* delete left */ 365 insert(NULL, 0 - cursor); 366 break; 367 case XK_w: /* delete word */ 368 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)])) 369 insert(NULL, nextrune(-1) - cursor); 370 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)])) 371 insert(NULL, nextrune(-1) - cursor); 372 break; 373 case XK_y: /* paste selection */ 374 case XK_Y: 375 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY, 376 utf8, utf8, win, CurrentTime); 377 return; 378 case XK_Left: 379 case XK_KP_Left: 380 movewordedge(-1); 381 goto draw; 382 case XK_Right: 383 case XK_KP_Right: 384 movewordedge(+1); 385 goto draw; 386 case XK_Return: 387 case XK_KP_Enter: 388 break; 389 case XK_bracketleft: 390 cleanup(); 391 exit(1); 392 default: 393 return; 394 } 395 } else if (ev->state & Mod1Mask) { 396 switch(ksym) { 397 case XK_b: 398 movewordedge(-1); 399 goto draw; 400 case XK_f: 401 movewordedge(+1); 402 goto draw; 403 case XK_g: ksym = XK_Home; break; 404 case XK_G: ksym = XK_End; break; 405 case XK_h: ksym = XK_Up; break; 406 case XK_j: ksym = XK_Next; break; 407 case XK_k: ksym = XK_Prior; break; 408 case XK_l: ksym = XK_Down; break; 409 default: 410 return; 411 } 412 } 413 414 switch(ksym) { 415 default: 416 insert: 417 if (!iscntrl((unsigned char)*buf)) 418 insert(buf, len); 419 break; 420 case XK_Delete: 421 case XK_KP_Delete: 422 if (text[cursor] == '\0') 423 return; 424 cursor = nextrune(+1); 425 /* fallthrough */ 426 case XK_BackSpace: 427 if (cursor == 0) 428 return; 429 insert(NULL, nextrune(-1) - cursor); 430 break; 431 case XK_End: 432 case XK_KP_End: 433 if (text[cursor] != '\0') { 434 cursor = strlen(text); 435 break; 436 } 437 if (next) { 438 /* jump to end of list and position items in reverse */ 439 curr = matchend; 440 calcoffsets(); 441 curr = prev; 442 calcoffsets(); 443 while (next && (curr = curr->right)) 444 calcoffsets(); 445 } 446 sel = matchend; 447 break; 448 case XK_Escape: 449 cleanup(); 450 exit(1); 451 case XK_Home: 452 case XK_KP_Home: 453 if (sel == matches) { 454 cursor = 0; 455 break; 456 } 457 sel = curr = matches; 458 calcoffsets(); 459 break; 460 case XK_Left: 461 case XK_KP_Left: 462 if (cursor > 0 && (!sel || !sel->left || lines > 0)) { 463 cursor = nextrune(-1); 464 break; 465 } 466 if (lines > 0) 467 return; 468 /* fallthrough */ 469 case XK_Up: 470 case XK_KP_Up: 471 if (sel && sel->left && (sel = sel->left)->right == curr) { 472 curr = prev; 473 calcoffsets(); 474 } 475 break; 476 case XK_Next: 477 case XK_KP_Next: 478 if (!next) 479 return; 480 sel = curr = next; 481 calcoffsets(); 482 break; 483 case XK_Prior: 484 case XK_KP_Prior: 485 if (!prev) 486 return; 487 sel = curr = prev; 488 calcoffsets(); 489 break; 490 case XK_Return: 491 case XK_KP_Enter: 492 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text); 493 if (!(ev->state & ControlMask)) { 494 cleanup(); 495 exit(0); 496 } 497 if (sel) 498 sel->out = 1; 499 break; 500 case XK_Right: 501 case XK_KP_Right: 502 if (text[cursor] != '\0') { 503 cursor = nextrune(+1); 504 break; 505 } 506 if (lines > 0) 507 return; 508 /* fallthrough */ 509 case XK_Down: 510 case XK_KP_Down: 511 if (sel && sel->right && (sel = sel->right) == next) { 512 curr = next; 513 calcoffsets(); 514 } 515 break; 516 case XK_Tab: 517 if (!sel) 518 return; 519 cursor = strnlen(sel->text, sizeof text - 1); 520 memcpy(text, sel->text, cursor); 521 text[cursor] = '\0'; 522 match(); 523 break; 524 } 525 526 draw: 527 drawmenu(); 528 } 529 530 static void 531 paste(void) 532 { 533 char *p, *q; 534 int di; 535 unsigned long dl; 536 Atom da; 537 538 /* we have been given the current selection, now insert it into input */ 539 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False, 540 utf8, &da, &di, &dl, &dl, (unsigned char **)&p) 541 == Success && p) { 542 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p)); 543 XFree(p); 544 } 545 drawmenu(); 546 } 547 548 static void 549 readstdin(void) 550 { 551 char *line = NULL; 552 size_t i, itemsiz = 0, linesiz = 0; 553 ssize_t len; 554 555 /* read each line from stdin and add it to the item list */ 556 for (i = 0; (len = getline(&line, &linesiz, stdin)) != -1; i++) { 557 if (i + 1 >= itemsiz) { 558 itemsiz += 256; 559 if (!(items = realloc(items, itemsiz * sizeof(*items)))) 560 die("cannot realloc %zu bytes:", itemsiz * sizeof(*items)); 561 } 562 if (line[len - 1] == '\n') 563 line[len - 1] = '\0'; 564 if (!(items[i].text = strdup(line))) 565 die("strdup:"); 566 567 items[i].out = 0; 568 } 569 free(line); 570 if (items) 571 items[i].text = NULL; 572 lines = MIN(lines, i); 573 } 574 575 static void 576 run(void) 577 { 578 XEvent ev; 579 580 while (!XNextEvent(dpy, &ev)) { 581 if (XFilterEvent(&ev, win)) 582 continue; 583 switch(ev.type) { 584 case DestroyNotify: 585 if (ev.xdestroywindow.window != win) 586 break; 587 cleanup(); 588 exit(1); 589 case Expose: 590 if (ev.xexpose.count == 0) 591 drw_map(drw, win, 0, 0, mw, mh); 592 break; 593 case FocusIn: 594 /* regrab focus from parent window */ 595 if (ev.xfocus.window != win) 596 grabfocus(); 597 break; 598 case KeyPress: 599 keypress(&ev.xkey); 600 break; 601 case SelectionNotify: 602 if (ev.xselection.property == utf8) 603 paste(); 604 break; 605 case VisibilityNotify: 606 if (ev.xvisibility.state != VisibilityUnobscured) 607 XRaiseWindow(dpy, win); 608 break; 609 } 610 } 611 } 612 613 static void 614 setup(void) 615 { 616 int x, y, i, j; 617 unsigned int du; 618 XSetWindowAttributes swa; 619 XIM xim; 620 Window w, dw, *dws; 621 XWindowAttributes wa; 622 XClassHint ch = {"dmenu", "dmenu"}; 623 #ifdef XINERAMA 624 XineramaScreenInfo *info; 625 Window pw; 626 int a, di, n, area = 0; 627 #endif 628 /* init appearance */ 629 for (j = 0; j < SchemeLast; j++) 630 scheme[j] = drw_scm_create(drw, colors[j], 2); 631 632 clip = XInternAtom(dpy, "CLIPBOARD", False); 633 utf8 = XInternAtom(dpy, "UTF8_STRING", False); 634 635 /* calculate menu geometry */ 636 bh = drw->fonts->h + 2; 637 lines = MAX(lines, 0); 638 mh = (lines + 1) * bh; 639 #ifdef XINERAMA 640 i = 0; 641 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) { 642 XGetInputFocus(dpy, &w, &di); 643 if (mon >= 0 && mon < n) 644 i = mon; 645 else if (w != root && w != PointerRoot && w != None) { 646 /* find top-level window containing current input focus */ 647 do { 648 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws) 649 XFree(dws); 650 } while (w != root && w != pw); 651 /* find xinerama screen with which the window intersects most */ 652 if (XGetWindowAttributes(dpy, pw, &wa)) 653 for (j = 0; j < n; j++) 654 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) { 655 area = a; 656 i = j; 657 } 658 } 659 /* no focused window is on screen, so use pointer location instead */ 660 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du)) 661 for (i = 0; i < n; i++) 662 if (INTERSECT(x, y, 1, 1, info[i]) != 0) 663 break; 664 665 x = info[i].x_org; 666 y = info[i].y_org + (topbar ? 0 : info[i].height - mh); 667 mw = info[i].width; 668 XFree(info); 669 } else 670 #endif 671 { 672 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 673 die("could not get embedding window attributes: 0x%lx", 674 parentwin); 675 x = 0; 676 y = topbar ? 0 : wa.height - mh; 677 mw = wa.width; 678 } 679 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0; 680 inputw = mw / 3; /* input width: ~33% of monitor width */ 681 match(); 682 683 /* create menu window */ 684 swa.override_redirect = True; 685 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel; 686 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask; 687 win = XCreateWindow(dpy, root, x, y, mw, mh, 0, 688 CopyFromParent, CopyFromParent, CopyFromParent, 689 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa); 690 XSetClassHint(dpy, win, &ch); 691 692 /* input methods */ 693 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL) 694 die("XOpenIM failed: could not open input device"); 695 696 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing, 697 XNClientWindow, win, XNFocusWindow, win, NULL); 698 699 XMapRaised(dpy, win); 700 if (embed) { 701 XReparentWindow(dpy, win, parentwin, x, y); 702 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask); 703 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) { 704 for (i = 0; i < du && dws[i] != win; ++i) 705 XSelectInput(dpy, dws[i], FocusChangeMask); 706 XFree(dws); 707 } 708 grabfocus(); 709 } 710 drw_resize(drw, mw, mh); 711 drawmenu(); 712 } 713 714 static void 715 usage(void) 716 { 717 die("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n" 718 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]"); 719 } 720 721 int 722 main(int argc, char *argv[]) 723 { 724 XWindowAttributes wa; 725 int i, fast = 0; 726 727 for (i = 1; i < argc; i++) 728 /* these options take no arguments */ 729 if (!strcmp(argv[i], "-v")) { /* prints version information */ 730 puts("dmenu-"VERSION); 731 exit(0); 732 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */ 733 topbar = 0; 734 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */ 735 fast = 1; 736 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */ 737 fstrncmp = strncasecmp; 738 fstrstr = cistrstr; 739 } else if (i + 1 == argc) 740 usage(); 741 /* these options take one argument */ 742 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */ 743 lines = atoi(argv[++i]); 744 else if (!strcmp(argv[i], "-m")) 745 mon = atoi(argv[++i]); 746 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */ 747 prompt = argv[++i]; 748 else if (!strcmp(argv[i], "-fn")) /* font or font set */ 749 fonts[0] = argv[++i]; 750 else if (!strcmp(argv[i], "-nb")) /* normal background color */ 751 colors[SchemeNorm][ColBg] = argv[++i]; 752 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */ 753 colors[SchemeNorm][ColFg] = argv[++i]; 754 else if (!strcmp(argv[i], "-sb")) /* selected background color */ 755 colors[SchemeSel][ColBg] = argv[++i]; 756 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */ 757 colors[SchemeSel][ColFg] = argv[++i]; 758 else if (!strcmp(argv[i], "-w")) /* embedding window id */ 759 embed = argv[++i]; 760 else 761 usage(); 762 763 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale()) 764 fputs("warning: no locale support\n", stderr); 765 if (!(dpy = XOpenDisplay(NULL))) 766 die("cannot open display"); 767 screen = DefaultScreen(dpy); 768 root = RootWindow(dpy, screen); 769 if (!embed || !(parentwin = strtol(embed, NULL, 0))) 770 parentwin = root; 771 if (!XGetWindowAttributes(dpy, parentwin, &wa)) 772 die("could not get embedding window attributes: 0x%lx", 773 parentwin); 774 drw = drw_create(dpy, screen, root, wa.width, wa.height); 775 if (!drw_fontset_create(drw, fonts, LENGTH(fonts))) 776 die("no fonts could be loaded."); 777 lrpad = drw->fonts->h; 778 779 #ifdef __OpenBSD__ 780 if (pledge("stdio rpath", NULL) == -1) 781 die("pledge"); 782 #endif 783 784 if (fast && !isatty(0)) { 785 grabkeyboard(); 786 readstdin(); 787 } else { 788 readstdin(); 789 grabkeyboard(); 790 } 791 setup(); 792 run(); 793 794 return 1; /* unreachable */ 795 }